/*
* Copyright 2010 Competentum group
*
* Licensed under the GNU General Public License, Version 3.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.gnu.org/licenses/gpl.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.competentum.renderers
{
	/**
	 * 
	 * @author Osipov Sergey
	 * 
	 */	
	public class FlyWeight
	{
		
		private var renderers:Vector.<BindRenderer> = new Vector.<BindRenderer>();
		
		public function FlyWeight()
		{
			
		}
		
		public function getInstance():BindRenderer {
			var br:BindRenderer;
			for ( var i:uint = 0 ; i < renderers.length ; i++ ) {
				br = renderers[i];
				if ( !br.isOccupied ) {
					br.isOccupied = true;
					return br
				}
			}
			//if all items occupied - create new one
			br = new BindRenderer();
			br.isOccupied = true;
			renderers.push(br);
			return br;
		}
		
		public function resetAll():void {
			var br:BindRenderer;
			for ( var i:uint = 0 ; i < renderers.length ; i++ ) {
				br = renderers[i];
				br.isOccupied = false;
			}
		}
	}
}